100 point question. I will report false answers. And I will award a brainliest answer. Please answer questions 2,3,4, and 5

Answer:
I think the first one is "Interpersonal communication"
Stress is defined as a state of mental tension and worry caused by problems in your life.
I think question 4 is B) To defend itself
Symptoms of stress could include: headaches, low energy, and anxiety.
Hope this helps!